This is spillover from Williamson's goal that was incorrectly listed on GopherSports as being a power-play tally when it was really at equal strength. The Gophers on the ice at the time did not get the +1 as a result.Gopher website & WCHA website does not agree on +/- for several Gophers
Gopher website gives one less than WCHA for 5 players
26 47/48
2 41/42
9 47/48
18 5/6
7 6/7
which would improve the ratio slightly for them if the WCHA stats are correct